L-Arginine, 250 g
≥98,5 %, USP, for biochemistry
H319
causes serious eye irritation
P280 P305+P351+P338
wear protective gloves/eye protection, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
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2-Amino-5-guanidinovaleric acid
Empirical formula C6H14N4O2
Molar mass (M) 174,2 g/mol
Density (D) 1,56 g/cm³
Melting point (mp) 224 °C
WGK 1
CAS No. 74-79-3
EG-Nr. 200-811-1
Molar mass (M) 174,2 g/mol
Density (D) 1,56 g/cm³
Melting point (mp) 224 °C
WGK 1
CAS No. 74-79-3
EG-Nr. 200-811-1
€55.80/Pack Qty.
excl. VAT. | 250 g per Pack Qty.
Art. No. 3144.3
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Product details
L-Arginine ≥98,5 %, USP, for biochemistry
Technical Information
| Checked according to pharmacopoeia | USP |
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L-Arginine
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 3144.1 | 50 g | plastic |
€21.40 |
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| 3144.2 | 1 kg | plastic |
€174.70 |
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| 3144.3 | 250 g | plastic |
€55.80 |
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Downloads / MSDS
General information
Amino acids
Our amino acids are of the highest purity and suitable for a broad range of applications in biochemistry. Besides the natural occurring L-amino acids, we offer a selection of unnatural D-amino acids and DL-amino acids.
Certificates of Analysis
Guarantee analysis
| Appearance | white, cryst. powder |
| Assay (dry substance) | 98,5-101,0 % |
| Identity | complies |
| Appearance of solution | clear, colourless |
| Specific rotation [α]b (8 % in HCl 6 N) | +26,3° to +27,7° |
| pH value (1 g in 20 ml H2O) | 10,5- 12,0 |
| Ammonium (NH4) | ≤0,02 % |
| Chloride (Cl) | ≤0,02 % |
| Sulphate (SO4) | ≤0,02 % |
| Arsenic (As2O3) | ≤0,0001 % |
| Iron (Fe) | ≤0,001 % |
| Heavy metals (as Pb) | ≤0,001 % |
| Foreign amino acids | complies |
| Loss on drying | ≤0,5 % |
| Sulphated ash | ≤0,1 % |